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The greybody factor from the black string in the de Rham-Gabadadze-Tolley(dRGT) massive gravity theory is investigated in this study. The dRGT massivegravity theory is one of the modified gravity theories used in explaining thecurrent acceleration in the expansion of the universe. By using cylindricalsymmetry, black strings in dRGT massive gravity are shown to exist. Whenquantum effects are taken into account, black strings can emit thermalradiation called Hawking radiation. The Hawking radiation at spatial infinitydiffers from that at the source by the so-called greybody factor. In thispaper, we examined the rigorous bounds on the greybody factors from the dRGTblack strings. The results show that the greybody factor crucially depends onthe shape of the potential characterized by model parameters. The results agreewith ones in quantum mechanics, the higher the potential, the harder it is forthe waves to penetrate and also lower the bound for the rigorous bounds.

Greybody factor for black string in dRGT massive gravity